Word.ws English Dictionary

heart urchin

heart urchin noun: any echinoderm of the class Spatangoida.

heart urchin: any echinoderm of the class Spatangoida
Image: Rpillon, CC BY-SA 3.0, via Wikimedia Commons

Noun

heart urchin (plural heart urchins)

  1. Any echinoderm of the class Spatangoida.
    • Red heart urchins, like other heart urchins, are usually buried under the sand and are only seen on rare occasions.1996, Marty Snyderman, chapter I, in Guide to Marine Life: Caribbean, Bahamas, Florida, page 129
    • Spatangoids constitute a monophyletic group of heart urchins that appears in the early Cretaceous (145 M.Y. ago) and ranges to the Recent.2003, Gunther J. Eble, “Developmental Morphospaces and Evolution”, in James P. Crutchfield, Peter Schuster, editors, Evolutionary Dynamics, page 47
    Synonyms:
    spatangoid

heart urchin meaning in Tamil

heart urchin in Tamil

கடற்சிற்றுயிரி

Synonyms of heart urchin

Forms of heart urchin

pluralheart urchins

Questions about heart urchin

What does heart urchin mean?
Heart urchin means any echinoderm of the class Spatangoida.
What is heart urchin in Tamil?
Heart urchin in Tamil is கடற்சிற்றுயிரி. See Heart urchin meaning in Tamil.
What part of speech is heart urchin?
Heart urchin is a noun.
What is the plural of heart urchin?
The plural of heart urchin is heart urchins.

Words near heart urchin in the dictionary

  1. heart surgeons
  2. heart sweetbread
  3. heart sweetbreads
  4. heart to heart
  5. heart to hearts
  6. heart urchin
  7. heart urchins
  8. heart valve
  9. heart valves
  10. heart wheel
  11. heart wheels

Source and license

Adapted from Wiktionary: heart urchin (page history and authors); heart urchin (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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